C/2024 J4 ( Lemmon )

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Updated on March 23, 2026

Profile Discovery Date May 11, 2024 Magnitude 20.1 mag Discoverer K. W. Wierzchos (Mt. Lemmon Survey) Pictures

Orbital Elements Perturbed ephemeris below is based on elements from MPEC 2026-FC3. Epoch (TT/JD) T (TT/JD) Peri. Node Incl. 2460800.50000 2460791.5133018 127.85873 19.30473 117.53089 e q a Epoch (TT) 0.9991013 5.6951430 6336.80784 2025/05/05.00

Magnitudes Graph m1 = -1.0 + 5 log d + 20.0 log r(t - 200)

The orbital elements are calculated using the Minor Planet & Comet Ephemeris Service. The magnitudes graphs are made with Comet for Windows.